Hello
I need help on modifying this code to loop when lcd.print("CUTTING COMPLETE");
when cutting complete it should ask "REPEAT CUTTING ?" IF YES then its goes to the START
and start the cutting cycle again here is the link of this project https://wokwi.com/projects/344596633107825235
and this is the code
//------------------------------- librarys ----------------------------------
#include <LiquidCrystal.h>
#include <Servo.h>
//------------------------------- lcd ----------------------------------
LiquidCrystal lcd(12, 11, 2, 3, 4, 5);
//------------------------------- stepper ----------------------------------
#define stepPin 7
#define dirPin 8
//------------------------------- servo ----------------------------------
Servo snippers;
#define servo 10
#define openAngle 90
#define closedAngle 0
//------------------------------- input ----------------------------------
#define leftButton 14
#define rightButton 9
#define upButton 15
#define downButton 6
//------------------------------- user settings ----------------------------------
unsigned int wireLength = 0;
unsigned int wireQuantity = 0;
//------------------------------- system settings ----------------------------------
int state = 0;
int incrementSpeed = 1;
int previousWireLength = 0;
int previousWireQuantity = 0;
float mmPerStep = 0.305344;
void setup() {
Serial.begin(9600);
lcd.begin(16, 2); //LCD columns and rows
pinMode(upButton, INPUT_PULLUP);
pinMode(downButton, INPUT_PULLUP);
pinMode(leftButton, INPUT_PULLUP);
pinMode(rightButton, INPUT_PULLUP);
pinMode(stepPin,OUTPUT);
pinMode(dirPin,OUTPUT);
snippers.attach(servo);
snippers.write(openAngle);
delay(1000);
}
void loop() {
if (!digitalRead(rightButton)){
if(state == 5){
state = 0;
}
else{
state += 1;
}
delay(200);
lcd.clear();
}
if (!digitalRead(leftButton) && state > 0 && state < 4){
state -=1;
delay(200);
lcd.clear();
}
switch (state){
case 0:
homeScreen();
break;
case 1:
chooseWireLength();
break;
case 2:
chooseWireQuantity();
break;
case 3:
confirm();
break;
case 4:
currentlyCutting();
break;
case 5:
finishedCutting();
break;
}
}
void homeScreen(){
lcd.setCursor(0, 0);
lcd.print("CUTTER");
lcd.setCursor(11, 1);
lcd.print("NEXT>");
delay(100);
}
void chooseWireLength(){
wireLength = changeValue(wireLength);
//clear LCD if required
if(previousWireLength != wireLength){
lcd.clear();
previousWireLength = wireLength;
}
//Display information on LCD
lcd.setCursor(0, 0);
lcd.print("LENGTH:" + (String)wireLength + "mm");
displayNavigation();
}
void chooseWireQuantity(){
wireQuantity = changeValue(wireQuantity);
//clear LCD if required
if(previousWireQuantity != wireQuantity){
lcd.clear();
previousWireQuantity = wireQuantity;
}
//Display information on LCD
lcd.setCursor(0, 0);
lcd.print("QUANTITY:" + (String)wireQuantity);
displayNavigation();
}
void confirm(){
lcd.setCursor(0, 0);
lcd.print((String)wireLength + "mm x " + (String)wireQuantity + "pcs");
lcd.setCursor(0, 1);
lcd.print("<BACK");
lcd.setCursor(10, 1);
lcd.print("START>");
delay(100);
}
void currentlyCutting(){
lcd.setCursor(0, 0);
lcd.print((String)0 + "/" + (String)wireQuantity);
lcd.setCursor(0, 1);
lcd.print("???s");
int stepsToTake = (int)wireLength/mmPerStep;
for(int i = 0; i < wireQuantity; i++){
unsigned long timeForOneCycle = millis();
digitalWrite(dirPin,HIGH);
for(int x = 0; x < stepsToTake; x++) {
digitalWrite(stepPin,HIGH);
delayMicroseconds(500);
digitalWrite(stepPin,LOW);
delayMicroseconds(500);
}
lcd.setCursor(0, 0);
lcd.print((String)(i+1) + "/" + (String)wireQuantity);
snippers.write(closedAngle);
delay(500);
snippers.write(openAngle);
delay(500);
lcd.setCursor(0, 1);
unsigned long timeRemaining = ((millis() - timeForOneCycle)*(wireQuantity - (i+1)))/1000;
lcd.print((String)timeRemaining + "s ");
}
wireLength = 0;
wireQuantity = 0;
state = 5;
}
void finishedCutting(){
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("CUTTING COMPLETE");
lcd.setCursor(11, 1);
lcd.print("NEXT>");
delay(100);
}
int changeValue(int currentValue){
if (!digitalRead(upButton)) {
delay(100);
currentValue += incrementSpeed;
}
if (!digitalRead(downButton)) {
if(currentValue - incrementSpeed >= 0){
delay(100);
currentValue -= incrementSpeed;
}
else{
currentValue = 0;
}
}
if (!digitalRead(downButton) && !digitalRead(upButton)){
incrementSpeed = 1;
}
return currentValue;
}
void displayNavigation(){
lcd.setCursor(0, 1);
lcd.print("<BACK");
lcd.setCursor(11, 1);
lcd.print("NEXT>");
delay(100);
}
Thank you
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